Ergonomic keyboard



FIG. 1 is a top plan view of an ergonomic keyboard without the removable feet showing my new design;

FIG. 2 is a right side isometric view thereof;

FIG. 3 is a top plan view thereof with removable feet attached to the front;

FIG. 4 is a top, right, side isometric view thereof;

FIG. 5 is a top plan view thereof with the feet attached to the rear; and,

FIG. 6 is a right side isometric view thereof. 

CLAIM The ornamental design for an ergonomic keyboard, as shown and described. 